<template>
	<el-breadcrumb class="breadcrumb" separator="/">
		<transition-group name="breadcrumb">
			<el-breadcrumb-item
				v-for="(item, index) in breadcrumbData"
				:key="item.path"
			>
				<!-- 不可点击项 -->
				<span
					v-if="index === breadcrumbData.length - 1"
					class="no-redirect"
					>{{ generateTitle(item.meta.title) }}</span
				>
				<!-- 可点击项 -->
				<a v-else class="redirect" @click.prevent="onLinkClick(item)">{{
					generateTitle(item.meta.title)
				}}</a>
			</el-breadcrumb-item>
		</transition-group>
	</el-breadcrumb>
</template>

<script setup>
import { generateTitle } from '@/utils/i18n'
import { ref, watch } from 'vue'
import { useRoute, useRouter } from 'vue-router'
import { useStore } from 'vuex'

const route = useRoute()
// 生成数组数据
const breadcrumbData = ref([])
const getBreadcrumbData = () => {
	breadcrumbData.value = route.matched.filter(
		(item) => item.meta && item.meta.title
	)
}
// 监听路由变化时触发
watch(
	route,
	() => {
		getBreadcrumbData()
	},
	{
		immediate: true
	}
)

// 处理点击事件
const router = useRouter()
const onLinkClick = (item) => {
	console.log(item)
	router.push(item.path)
}

// 将来需要进行主题替换，所以这里获取下动态样式
const store = useStore()
// eslint-disable-next-line
const linkHoverColor = ref(store.getters.cssVar.menuBg)
</script>

<style lang="scss" scoped>
.breadcrumb {
	display: inline-block;
	font-size: 14px;
	line-height: 50px;
	margin-left: 8px;

	.no-redirect {
		color: #97a8be;
		cursor: text;
	}

	.redirect {
		color: #666;
		font-weight: 600;
	}

	.redirect:hover {
		// 将来需要进行主题替换，所以这里不去写死样式
		color: v-bind(linkHoverColor);
	}
}
</style>
